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M2.3 Depth: 16.5 km

M2.3 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-08-20 01:33:11 UTC Local time: —

About this earthquake

A magnitude M2.3 earthquake was recorded near Matanuska-Susitna Borough, Alaska (United States) on August 20, 2026 at 01:33 UTC. The hypocenter lay relatively close to the surface at around 17 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 244 earthquakes, the strongest at M3.9.

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Depth profile

Depth profile Depth: 16.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 16.5 km
Shallow
16.5 km
16.5 km — close to the regional average (15.4 km)
Regional average: 15.4 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Hayes
    Distance: 148 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 152 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 227 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Buzzard Creek
    Distance: 251 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Iliamna
    Distance: 277 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Wrangell
    Distance: 295 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States

Historic earthquake map · United States

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Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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